#main-content{
    padding: 0px !important;
    margin: 0px !important;
}
iframe.tab-iframe{
    margin: 0px;padding: 0px;height: 100%;
    width:100%;
}
.tab-content{
    position: absolute;
    left: 0px;
    right: 0px;
    bottom: 0px;
    top: 40px;
    padding: 5px !important;
    margin: 0px !important;
}.tab-content>.layui-tab-item{
    height: 100%;
}